1.Design for thermal efficiency
When LEDs work, they heat up, and too much heat will affect the decay speed and stability of LEDs, so the heat dissipation design of the PCB board and ventilation and heat dissipation design of the box will affect their performance.
2.Lamps of mixed types
To ensure consistency of brightness over the entire screen, LEDs with the same color and different brightness levels must be mixed or inserted according to the light insertion diagram designed according to the discrete law. This process can lead to inconsistent local brightness on the large screen, which directly affects its display effect.